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Electrons Vocab: 1

Electrons Unit: Concept 1

TermDefinition
Electrons Negative (-) subatomic particles that behave like waves
Electromagnetic radiation A form of energy that exhibits wavelength behavior as it travels through space. Some examples include: radio waves, microwaves, and infrared waves.
Wavelength A unit of distance for measuring waves (sometimes measured in 'mn')
Frequency The number of waves that pass a given point in a certain time (often measured in Hz = waves/second)
Emission spectrum The spectrum of light released from excited atoms of an element
Heisenberg uncertainty principle It is impossible to determine the position and velocity of an electron or other particle simultaneously
Valence electrons Electrons in the outermost energy level
Octet rule The tendency of atoms to prefer 8 valence e-
Ions When an atom gains or loses e- to become stable (a charged atom)
Lewis structures A convenient and simple way to represent an element and its valence e-
Created by: DelanaH
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